package com.wxg.seata.service;

import java.math.BigDecimal;

/**
 * @author void
 * @date 2021/7/7 15:39
 * @desc
 */
public interface AccountService {
    /**
     * 扣减余额
     * @param userId
     * @param money
     */
    void decrease(Long userId, BigDecimal money);
}
